Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.7 TWh | May 2003 | Feb 2025 | Natural Gas |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 403.0 MWh | Nov 2010 | Dec 2023 | Solar |
| Pima Community College - East Campus | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Jul 2017 | Dec 2023 | Solar |
| Gray Hawk Solar | Gray Hawk Solar, LLC | Kingman, AZ | Tucson Electric Power (TEPC) | 142.1 GWh | May 2018 | Feb 2025 | Solar |
| Cogenra - TEP | Terraform Arcadia | Tucson, AZ | Tucson Electric Power (TEPC) | 2.1 GWh | Jun 2014 | Dec 2023 | Solar |
| Pima Community College | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.4 GWh | Jul 2019 | Dec 2023 | Solar |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.3 TWh | May 1985 | Feb 2025 | Subbituminous Coal : 99.2% |
| Prairie Fire | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 7.5 GWh | Nov 2012 | Dec 2023 | Solar |
| Pima Community College NW | Onyx Asset Services Group | Tucson, AZ | Tucson Electric Power (TEPC) | 3.1 GWh | Mar 2019 | Dec 2023 | Solar |
| Amazon TUS2 | SkyHigh 2 Solar | Tucson, AZ | Tucson Electric Power (TEPC) | 5.3 GWh | May 2022 | Dec 2023 | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 247.3 GWh | Mar 2021 | Feb 2025 | Solar |
| Broadway 2 - Tucson Phase II | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 6.3 GWh | Nov 2013 | Dec 2023 | Solar |
| Broadway 3 - Tucson Phase I | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.7 GWh | Feb 2011 | Dec 2023 | Solar |
| FRB Solar Farm | FRB Solar LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.1 GWh | Mar 2011 | Dec 2023 | Solar |
| Roger Road WWTP | SunE M5C Holdings LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.1 GWh | Jul 2010 | Dec 2023 | Solar |
| SR McNeal | SR McNeal, LLC | McNeal, AZ | Tucson Electric Power (TEPC) | 55.0 GWh | Nov 2023 | Feb 2025 | Solar |
| Raptor Ridge | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 33.5 GWh | May 2022 | Dec 2023 | Solar |
| La Senita | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 931.0 MWh | Oct 2011 | Dec 2023 | Solar |
| Black Mountain Generating Station | UNS Electric, Inc | Golden Valley, AZ | Tucson Electric Power (TEPC) | 94.9 GWh | Apr 2008 | Dec 2023 | Natural Gas |
| Avra Valley Solar | Avra Valley Solar | Marana, AZ | Tucson Electric Power (TEPC) | 64.8 GWh | Dec 2012 | Dec 2023 | Solar |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 55.0 GWh | Oct 2002 | Feb 2025 | Natural Gas |
| North Loop | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 3.6 GWh | Nov 1972 | Dec 2023 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Davis Monthan AFB (AZ) West Airfield | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 31.5 GWh | Dec 2013 | Dec 2023 | Solar |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 2.9 TWh | May 2003 | Feb 2025 | Natural Gas |
| Avalon Solar II | Avalon Solar Partners II, LLC | Sahuarita, AZ | Tucson Electric Power (TEPC) | 43.9 GWh | Feb 2016 | Dec 2023 | Solar |
| Red Horse III | Red Horse III | Wilcox, AZ | Tucson Electric Power (TEPC) | 48.1 GWh | Jun 2016 | Dec 2023 | Solar |
| Iron Horse Battery Storage Hybrid | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.6 GWh | Mar 2017 | Dec 2023 | Solar |
| Tech Park Solar | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 13.7 GWh | Nov 2012 | Dec 2023 | Solar |
| Valencia Solar | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 26.2 GWh | May 2013 | Dec 2023 | Solar |
| Picture Rocks Solar, LLC | MN8 Energy LLC | Marana, AZ | Tucson Electric Power (TEPC) | 49.0 GWh | Nov 2012 | Dec 2023 | Solar |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.9 TWh | Nov 1958 | Feb 2025 | Natural Gas |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 40.3 GWh | Oct 2002 | Feb 2025 | Natural Gas |
| Avalon Solar | Arevon Energy, Inc. | Pima, AZ | Tucson Electric Power (TEPC) | 70.9 GWh | Nov 2014 | Dec 2023 | Solar |
| Rio Rico Solar | UNS Electric, Inc | Rio Rico, AZ | Tucson Electric Power (TEPC) | 4.7 GWh | Feb 2014 | Nov 2023 | Solar |
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 3.0 GWh | Nov 2009 | Dec 2023 | Solar |
| Jacobson 5 MW Solar | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 8.3 GWh | Feb 2017 | Dec 2023 | Solar |
| Amphitheater High School Solar | Luminace Solar Arizona 2, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 2.0 GWh | Nov 2016 | Dec 2023 | Solar |
| Canyon Del Oro High School Solar | Luminace Solar Arizona 2, LLC | Oro Valley, AZ | Tucson Electric Power (TEPC) | 2.7 GWh | Oct 2016 | Dec 2023 | Solar |
| Demoss Petrie | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.3 GWh | May 2001 | Dec 2023 | Natural Gas |
| Valencia | UNS Electric, Inc | Nogales, AZ | Tucson Electric Power (TEPC) | 5.7 GWh | Jul 1989 | Dec 2023 | Natural Gas : 94.4% Distillate Fuel Oil : 5.6% |
| Fort Huachuca Solar PV Project | Tucson Electric Power Co | Sierra Vista, AZ | Tucson Electric Power (TEPC) | 37.2 GWh | Nov 2014 | Dec 2023 | Solar |
| Gato Montes Solar, LLC | Duke Energy Renewables Services | Tucson, AZ | Tucson Electric Power (TEPC) | 6.2 GWh | Nov 2012 | Dec 2023 | Solar |
| Red Horse 2 | Red Horse 2 | Willcox, AZ | Tucson Electric Power (TEPC) | 192.5 GWh | Jul 2015 | Feb 2025 | Solar : 69.7% Wind : 30.3% |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.3 TWh | Jan 1963 | Feb 2025 | Natural Gas : 86.3% Subbituminous Coal : 13.7% |
| Mohave Energy - Hybrid | Mohave Energy | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 41.7 GWh | Aug 2023 | Feb 2025 | Solar |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 386.0 GWh | Apr 2002 | Feb 2025 | Natural Gas |
| Davis Dam | U S Bureau of Reclamation | Kingman, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 908.9 GWh | Dec 1950 | Dec 2023 | Water |
| Mohave Electric at Fort Mohave | Mohave Electric Cooperative, Inc. | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 8.2 GWh | Mar 2015 | Dec 2023 | Solar |
| Glen Canyon Dam | U S Bureau of Reclamation | Page, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.7 TWh | Aug 1964 | Feb 2025 | Water |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.6 TWh | Feb 2001 | Feb 2025 | Natural Gas |
| Sulphur Springs | MN8 Energy LLC | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 53.3 GWh | Nov 2016 | Dec 2023 | Solar |
| Mohave Electric Cooperative at Joy Lane | Mohave Electric Cooperative, Inc. | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 17.1 GWh | Sep 2016 | Dec 2023 | Solar |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 118.0 MWh | Oct 1990 | Dec 2023 | Natural Gas : 71.2% Distillate Fuel Oil : 28.8% |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.3 TWh | Aug 1936 | Feb 2025 | Water |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 87.9 GWh | Nov 2019 | Feb 2025 | Solar |
| Mohave County Wind Farm | Mohave County Wind Farm | Willow Beach, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 981.1 GWh | Nov 2020 | Feb 2025 | Wind |
| Kayenta Solar Project | NGI-Kayenta Solar Lessor I, LLC | Kayenta, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 93.1 GWh | Apr 2017 | Feb 2025 | Solar |
| Headgate Rock | Colorado River Indian Irr Proj | Parker, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 32.3 GWh | Feb 1993 | Dec 2023 | Water |
| Apache Solar 1 | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 55.3 GWh | Sep 2017 | Dec 2023 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on February 2025 generation numbers.| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 83 | 79.9 TWh |
| Mohave County, AZ | # 2 | 15 | 10.0 TWh |
| Apache County, AZ | # 3 | 4 | 7.9 TWh |
| Pinal County, AZ | # 4 | 20 | 5.1 TWh |
| Coconino County, AZ | # 5 | 8 | 4.2 TWh |
| Cochise County, AZ | # 6 | 11 | 2.7 TWh |
| Pima County, AZ | # 7 | 38 | 2.6 TWh |
| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 13 | 1.8 TWh |
| Navajo County, AZ | # 9 | 7 | 1.7 TWh |
| La Paz County, AZ | # 10 | 5 | 120.2 GWh |
| Yavapai County, AZ | # 11 | 7 | 83.5 GWh |
| Gila County, AZ | # 12 | 2 | 51.4 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 10.3 GWh |